geomagnetic storm

noun

1. magnetic storm.

Word History and Origins

Origin of geomagnetic storm¹

First recorded in 1940–45

Example Sentences

Last year, a level 5 geomagnetic storm occurred for the first time in 20 years, resulting in similarly spectacular views of the Northern and Southern Lights.

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On Tuesday evening, NOAA’s Space Weather Prediction Center said that “severe geomagnetic storm” levels had been reached.

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Triggered by an intense geomagnetic storm, the northern lights made a rare visit to the Southland on Tuesday night, painting the skies above the Angeles National Forest in dazzling pink and purple hues.

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And the Victorians also struggled with the effect of space weather in 1859 when a huge solar eruption caused a geomagnetic storm that interfered with railway signalling and telegraph lines.

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"If we are in a geomagnetic storm for example, you definitely can," she said.

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